Presented at GasTech Centre of Technical Excellence 23 March 2011
Frank Vergunst, Frames
Gas from natural gas fields or associated gas from oil fields consist of methane and several by-products, which are either desired or not. Hydrogen Sulphide (H2S), carbonyl sulphides (CS2) and Carbon Dioxide (CO2) are considered contaminants and when present in sufficient quantities cause the gas to be sour. Before transportation to the final customer the gas coming directly from the well-head needs to be cleaned of these sour gas contaminants to minimise the potential for excessive corrosion in piping and equipment resulting in huge operational costs. Furthermore sour gas can cause emission problems during the treatment of gas related to the environment. Sour gas adds stress to the total integrated system and thus puts heavy strain on sustainable value.
Current sweetening processes are large, expensive and require frequent servicing. Frames engineered a ground-breaking removal process that is 100% selective for H2S removal, even in very high concentrations. The paper will discuss this process.
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